Part Number: QY-1(13)D4 Manufacturer: CBI Part Series: QY-1(1 QY-1(13)-D 4. 10kA 1 Pole 4 Amp Curve U2 Circuit Breaker. Old part number: QY-N10-1(13)D4 Available to Order Quantity × 1 Item added to your Quotation Basket QY-1(13)D4 CBI Your Quotation Basket Items: 2